Home » 3/8" FPT x 3/8" MFL Watts SD3 Backflow Preventer - Stainless Steel Dual Check Valve with Strainer
Watts

3/8" FPT x 3/8" MFL Watts SD3 Backflow Preventer - Stainless Steel Dual Check Valve with Strainer

In stock
Item: 09K06115
$184.87
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Quick Overview

  • Certified CO2 Protection: The Watts SD3 backflow preventer is ASSE 1022 certified, specifically designed to prevent the backflow of carbonated water into copper water lines.
  • Dual Check Reliability: Features a dual check valve mechanism for redundant protection, ensuring maximum safety for commercial beverage systems.
  • Integrated Mesh Strainer: The built-in stainless steel strainer captures particulates before they reach the valve seats, significantly extending the life of your beverage dispense equipment.
  • Corrosion Resistant Construction: Built with high-grade 304 stainless steel to withstand the acidic nature of carbonated water and harsh commercial environments.
  • Industry Standard Connections: Equipped with a 3/8" FPT inlet and 3/8" MFL outlet for easy integration into standard soda carbonator and espresso machine water lines.

Product Description

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The Watts SD3 is a high-performance atmospheric vent dual check backflow preventer specifically engineered to protect the potable water supply from carbon dioxide (CO2) and carbonated water migration. Constructed from 304 stainless steel, this valve is designed for continuous pressure applications and features an integrated 100-mesh strainer to protect internal components from debris, making it an essential safety component for soda fountains, post-mix systems, and commercial beverage dispensers.

  • Inlet Connection: 3/8" Female NPT (FPT)
  • Outlet Connection: 3/8" Male Flare (MFL)
  • Material: 304 Stainless Steel Body for superior corrosion resistance
  • Protection Type: Dual Check with Atmospheric Vent
  • Strainer: Integrated 100-mesh stainless steel screen
  • Compliance: ASSE 1022 Certified for beverage dispensing equipment
  • Max Pressure/Temp: 150 PSI at 130°F (54°C)
Technician's Note: Per ASSE 1022 standards, the SD3 must be installed in a horizontal position with the vent pointing downward. If the vent begins to "weep" or drip consistently, it is an indication that the downstream check valve has failed or is fouled by debris. Always ensure the integrated strainer is checked during quarterly maintenance to prevent pressure drops that can affect the brix ratio in your soda dispensing system.
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